A281955 - OEIS

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A281955 as a triangular array

1

2 2

4 8 4

8 30 30 8

16 112 133 112 16

32 420 587 587 420 32

64 1576 2559 3389 2559 1576 64

128 5912 11251 19089 19089 11251 5912 128

256 22176 49293 111354 130416 111354 49293 22176 256

512 83184 216274

A281955 as a square array

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
`2`	`8`	`30`	`112`	`420`	`1576`	`5912`	`22176`	`83184`
`4`	`30`	`133`	`587`	`2559`	`11251`	`49293`	`216274`
`8`	`112`	`587`	`3389`	`19089`	`111354`
`16`	`420`	`2559`	`19089`	`130416`
`32`	`1576`	`11251`	`111354`
`64`	`5912`	`49293`
`128`	`22176`
`256`

A281955 as an upper right triangle

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
	`2`	`8`	`30`	`112`	`420`	`1576`	`5912`	`22176`	`83184`
		`4`	`30`	`133`	`587`	`2559`	`11251`	`49293`	`216274`
			`8`	`112`	`587`	`3389`	`19089`	`111354`
				`16`	`420`	`2559`	`19089`	`130416`
					`32`	`1576`	`11251`	`111354`
						`64`	`5912`	`49293`
							`128`	`22176`
								`256`

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Last modified April 24 07:20 EDT 2024. Contains 371921 sequences. (Running on oeis4.)